1 /*

     2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Base workspace class.

    15 *

    16 */

    17 

    18 

    19 #ifndef __XMLWORKSPACE_H__

    20 #define __XMLWORKSPACE_H__

    21 

    22 // ------------------------------------------------------------------------------------------------

    23 // Includes

    24 // ------------------------------------------------------------------------------------------------

    25 #include <e32base.h>

    26 

    27 // ------------------------------------------------------------------------------------------------

    28 // CXMLWorkspace

    29 // ------------------------------------------------------------------------------------------------

    30 class CXMLWorkspace : public CBase

    31 	{

    32 public:

    33 	virtual ~CXMLWorkspace();

    34 

    35 	// transaction handling

    36 	virtual void BeginTransaction();

    37 	virtual void CommitAll();

    38 	virtual TInt Commit();

    39 	virtual TInt Rollback();

    40 

    41 	// pure virtuals

    42 	virtual void Reset() = 0;

    43 	virtual void WriteL( const TDesC8& aData ) = 0;

    44 	virtual void WriteL( const TUint8 aData ) = 0;

    45 	virtual TPtrC8 Buffer() const = 0;

    46 

    47 	virtual TInt FreeSize() const = 0;

    48 	virtual TInt MaxSize() const = 0;

    49 	virtual TInt Size() const = 0;

    50 

    51 protected:

    52 	void ConstructL();

    53 

    54 private:

    55 	// pure virtuals

    56 	virtual void Delete( TInt aPos, TInt aLength ) = 0;

    57 

    58 private:

    59 	RArray<TUint>* iTransactions;

    60 	};

    61 

    62 #endif // __XMLWORKSPACE_H__